Protocol Number: 07-H-0128
People 18 years of age or older with known or suspected total blockage of an artery to the neck, arm or leg may be eligible for this study. Participants undergo MRI scanning with gadofosveset contrast dye. MRI uses a magnetic field and radio waves to produce images of body tissues and organs. For this procedure, the subject lies on a table that can slide in and out of the tubular scanner, wearing earplugs to muffle loud noises that occur during the scanning process. The procedure lasts about 1.5 to 2 hours, during which the subject may be asked to hold his or her breath several times for as long as 5 to 20 seconds. During the procedure, gadofosveset is injected and several kinds of MRI pictures are taken to understand better how the new agent works. Subjects may be asked to undergo a second scan using conventional MRI contrast dye
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National Institutes of Health Clinical Center
Bethesda, Maryland 20892. Last update: 09/17/2008
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